During which season does primary productivity reach its peak in polar oceans?

Why does a tidal bulge occurs on opposote sides of earth

When reading a textbook blank. a) it’s safe to assume that the ingot is not biased b) you should watch for fallacies in information and author bias c) you should fact check everything you read d) it is understood that academic sources are not biased

The process by which liquid water changes into water vapour is called what ?